package com.zzyl.nursing.service.impl;

import java.io.File;
import java.io.FileInputStream;
import java.util.List;

import cn.hutool.core.collection.CollUtil;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.nursing.vo.NursingLevelVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.NursingLevelMapper;
import com.zzyl.nursing.domain.NursingLevel;
import com.zzyl.nursing.service.INursingLevelService;

import javax.sql.DataSource;

/**
 * 护理等级Service业务层处理
 *
 * @author ruoyi
 * @date 2024-09-07
 */
@Service
public class NursingLevelServiceImpl implements INursingLevelService
{
    @Autowired
    private NursingLevelMapper nursingLevelMapper;
    private static final String KEY = "nursingLevel:all";


    @Autowired
    private DataSource dataSource;

    /**
     * 查询护理等级
     *
     * @param id 护理等级主键
     * @return 护理等级
     */
    @Override
    public NursingLevel selectNursingLevelById(Long id)
    {

        return nursingLevelMapper.selectNursingLevelById(id);
    }

    /**
     * 查询护理等级列表
     *
     * @param nursingLevel 护理等级
     * @return 护理等级
     */
    @Override
    public List<NursingLevelVo> selectNursingLevelList(NursingLevel nursingLevel)
    {
        return nursingLevelMapper.selectNursingLevelList(nursingLevel);
    }

    /**
     * 新增护理等级
     *
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int insertNursingLevel(NursingLevel nursingLevel)
    {
        nursingLevel.setCreateTime(DateUtils.getNowDate());
        int i = nursingLevelMapper.insertNursingLevel(nursingLevel);
        deleteCache();
        return i;
    }

    /**
     * 修改护理等级
     *
     * @param nursingLevel 护理等级
     * @return 结果
     */
    @Override
    public int updateNursingLevel(NursingLevel nursingLevel)
    {
        nursingLevel.setUpdateTime(DateUtils.getNowDate());
        int i = nursingLevelMapper.updateNursingLevel(nursingLevel);
        deleteCache();
        return i;
    }

    /**
     * 批量删除护理等级
     *
     * @param ids 需要删除的护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelByIds(Long[] ids)
    {
        int i = nursingLevelMapper.deleteNursingLevelByIds(ids);
        deleteCache();
        return  i;
    }

    /**
     * 删除护理等级信息
     *
     * @param id 护理等级主键
     * @return 结果
     */
    @Override
    public int deleteNursingLevelById(Long id)
    {
        int i = nursingLevelMapper.deleteNursingLevelById(id);
        deleteCache();
        return i;
    }


    @Autowired
    private RedisTemplate<Object,Object> redisTemplate;

    @Override
    public List<NursingLevelVo> listAll() {

        List<NursingLevelVo> list = (List<NursingLevelVo>) redisTemplate.boundValueOps(KEY).get();

        if(list==null){ // 如果缓存中没有需要查询数据库并且还需要放入到缓存中
           list =  nursingLevelMapper.listAll();
           if(CollUtil.isNotEmpty(list)){
               redisTemplate.boundValueOps(KEY).set(list);
           }
        }
        return list;

    }

    private void deleteCache(){
        redisTemplate.delete(KEY);
    }
}
